Fluid actuation device with compensation for wear
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United States of America Patent
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-
Mar 31, 1987
Grant Date -
N/A
app pub date -
Aug 28, 1985
filing date -
Aug 28, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Fluid actuation device with compensation for wear, particularly for friction clutch mechanisms of the type having a cylinder in which there are placed a first piston resting on a spring and a second piston extended by a declutching control rod, and in which the space between the pistons is filled with an incompressible fluid. The cylinder carries a separation wall between two compartments which house respectively the first and the second pistons. An orifice for communication between said compartments carried by the separation wall is associated with a stopper valve rigidly connected to a membrane that is subjected to a pressure for control and transmission of a thrust force on the cylinder and for driving the control rod.
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